@Don Thuren , you're bike wont charge because the "average voltage" of the battery back is 4.08vdc, at which the system shut off the charger. What you actually have are 10 or 11 Pgroups at 3.85vdc, and 73 or 74 Pgroups at or near 4.10vdc. MT will show this very clearly. See my other post for...